Sydien 2 Pairs Black Bike Quick Release Axles Road Bike Skewers Quick Release HubsFeatures 1.Made of iron and aluminum alloy,it is wear-resistant and durable. 2.Smooth cam lever can quickly release the wheels. 3.Suitable for most bicycles. Product Specifications Product Name:Quick Release Skewer. Material:Iron and Aluminum Alloy. Color:Black. Dimen..